15691665520

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1\times {\mathrm{3061}}^1$

素因数の和:3674

約数の個数: 80

約数和(自身を含む): 36837329760

約数和(自身を除く): 21145664240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 461, 556, 695, 922, 1112, 1390, 1844, 2224, 2305, 2780, 3061, 3688, 4610, 5560, 6122, 7376, 9220, 11120, 12244, 15305, 18440, 24488, 30610, 36880, 48976, 61220, 64079, 122440, 128158, 244880, 256316, 320395, 425479, 512632, 640790, 850958, 1025264, 1281580, 1411121, 1701916, 2127395, 2563160, 2822242, 3403832, 4254790, 5126320, 5644484, 6807664, 7055605, 8509580, 11288968, 14111210, 17019160, 22577936, 28222420, 34038320, 56444840, 112889680, 196145819, 392291638, 784583276, 980729095, 1569166552, 1961458190, 3138333104, 3922916380, 7845832760, 15691665520]

約数ペア:

[(1, 15691665520), (2, 7845832760), (4, 3922916380), (5, 3138333104), (8, 1961458190), (10, 1569166552), (16, 980729095), (20, 784583276), (40, 392291638), (80, 196145819), (139, 112889680), (278, 56444840), (461, 34038320), (556, 28222420), (695, 22577936), (922, 17019160), (1112, 14111210), (1390, 11288968), (1844, 8509580), (2224, 7055605), (2305, 6807664), (2780, 5644484), (3061, 5126320), (3688, 4254790), (4610, 3403832), (5560, 2822242), (6122, 2563160), (7376, 2127395), (9220, 1701916), (11120, 1411121), (12244, 1281580), (15305, 1025264), (18440, 850958), (24488, 640790), (30610, 512632), (36880, 425479), (48976, 320395), (61220, 256316), (64079, 244880), (122440, 128158)]